LEICA APO-SUMMICRON-M 90 MM F / 2 ASPH. BLACK ANODIZED REF: 11884

Leica APO-Summicron-M 90mm f / 2 ASPH.

Characterized by its apochromatic designation, the APO-Summicron-M 90mm f / 2 ASPH. The Leica is a short, fast telephoto lens designed for M-mount rangefinder cameras. As an apochromatic, this lens uses a pair of anomalous partial dispersion glass elements to virtually eliminate color stripes and chromatic aberrations for clarity and precision of remarkable color. An aspherical element and two high refractive index glass elements are also used to control spherical aberrations and distortions, as well as to maintain Characterized by its apochromatic designation, the APO-Summicron-M 90mm f / 2 ASPH. The Leica is a short, fast telephoto lens designed for M-mount rangefinder cameras. As an apochromatic, this lens uses a pair of anomalous partial dispersion glass elements to virtually eliminate color stripes and chromatic aberrations for clarity and precision of remarkable color. An aspherical element and two high refractive index glass elements are also used to control aberrations and spherical distortions, as well as to maintain a high degree of sharpness. Its manual focus design allows working with subjects as close as 3.3 'away and its compact design also incorporates a built-in extendable hood to protect the front element.

The apochromatic design employs two anomalous partial dispersion glass elements to virtually eliminate chromatic aberrations and color stripes to improve color clarity and precision throughout the entire aperture range.
In addition to the apochromatic designation, this lens also uses one aspherical element and two high-refractive index elements to significantly reduce distortion and spherical aberrations while increasing overall sharpness and edge-to-edge illumination.
The bright f / 2 maximum aperture benefits working in difficult lighting conditions and also offers greater control over depth of field.
The manual focus design provides a minimum focus distance of 3.3 'with a maximum magnification ratio of 1: 9.
The built-in extendable hood shades and protects the front element to reduce flare and ghosting of the lens. Additionally, the front of the lens is threaded to accept 55mm thread filters with a high degree of sharpness. Its manual focus design allows working with subjects as close as 3.3 'away and its compact design also incorporates a built-in extendable hood to protect the front element.
The apochromatic design employs two anomalous partial dispersion glass elements to virtually eliminate chromatic aberrations and color stripes to improve color clarity and precision throughout the entire aperture range.
In addition to the apochromatic designation, this lens also uses one aspherical element and two high-refractive index elements to significantly reduce distortion and spherical aberrations while increasing overall sharpness and edge-to-edge illumination.
The bright f / 2 maximum aperture benefits working in difficult lighting conditions and also offers greater control over depth of field.
The manual focus design provides a minimum focus distance of 3.3 'with a maximum magnification ratio of 1: 9.
The built-in extendable hood shades and protects the front element to reduce flare and ghosting of the lens. Additionally, the front of the lens is threaded to accept 55mm thread filters.